--- loncom/homework/caparesponse/caparesponse.pm	2005/06/26 22:30:05	1.171
+++ loncom/homework/caparesponse/caparesponse.pm	2005/07/11 18:35:23	1.174
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # caparesponse definition
 #
-# $Id: caparesponse.pm,v 1.171 2005/06/26 22:30:05 albertel Exp $
+# $Id: caparesponse.pm,v 1.174 2005/07/11 18:35:23 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -353,7 +353,11 @@ sub end_numericalresponse {
 		#}
 	    }
 	    my $response=$ans;
-	    if ($unit) {
+	    my $hideunit=&Apache::lonnet::EXT('resource.'.$partid.'_'.
+					      $id.'.turnoffunit');
+	    if ($unit ne ''  && 
+		! ($Apache::lonhomework::type eq 'exam' ||
+		   lc($hideunit) eq "yes") )  {
 		my $cleanunit=$unit;
 		$cleanunit=~s/\$\,//g;
 		$response.=" $cleanunit";
@@ -389,11 +393,16 @@ sub end_numericalresponse {
 		my ($ad,$msg)=&Apache::inputtags::finalizeawards($awards,
 								 $msgs);
 
-		my $msg=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") or significant figures ("[_4]" to "[_5]") needs to be adjusted',$response,$low,$high,$siglow,$sighigh);
+		my $error;
+		if ($siglow ne '' && $sighigh ne '') {
+		    $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") or significant figures ("[_4]" to "[_5]") need to be adjusted.',$response,$low,$high,$siglow,$sighigh);
+		} else {
+		    $error=&mt('Computer\'s answer is incorrect ("[_1]"). It is likely that the tolerance range ("[_2]" to "[_3]") needs to be adjusted.',$response,$low,$high);
+		}
 		if ($ad ne 'EXACT_ANS' && $ad ne 'APPROX_ANS') {
-		    &Apache::lonxml::error($msg);
+		    &Apache::lonxml::error($error);
 		} else {
-		    &Apache::lonxml::warning($msg);
+		    &Apache::lonxml::warning($error);
 		}
 	    }
 	}